Clinical trials
Completed Chronic Pain trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,708 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 8 |
| 2001 | 9 |
| 2002 | 4 |
| 2003 | 13 |
| 2004 | 19 |
| 2005 | 14 |
| 2006 | 18 |
| 2007 | 25 |
| 2008 | 41 |
| 2009 | 36 |
| 2010 | 44 |
| 2011 | 46 |
| 2012 | 56 |
| 2013 | 62 |
| 2014 | 73 |
| 2015 | 77 |
| 2016 | 84 |
| 2017 | 98 |
| 2018 | 136 |
| 2019 | 141 |
| 2020 | 117 |
| 2021 | 159 |
| 2022 | 141 |
| 2023 | 122 |
| 2024 | 88 |
| 2025 | 52 |
| 2026 | 13 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,708 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| VA Office of Research and Development | 39 |
| University of Washington | 29 |
| University of Michigan | 22 |
| Boston Scientific Corporation | 21 |
| Stanford University | 19 |
| Abbott Medical Devices | 15 |
| Pfizer | 15 |
| University of Utah | 15 |
| Wake Forest University Health Sciences | 15 |
| Brigham and Women's Hospital | 14 |
Top conditions
MeSH conditions the trials were registered with, not their broader categories. A condition with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Chronic Pain | 1,708 |
| Pain | 224 |
| Low Back Pain | 118 |
| Fibromyalgia | 95 |
| Neuralgia | 77 |
| Acute Pain | 70 |
| Agnosia | 70 |
| Postoperative Pain | 68 |
| Back Pain | 67 |
| Neck Pain | 59 |
Trials
Showing 51 to 75 of 1,708. Each trial links to its page on Pharma Observatory.
1,608 more trials match. See them on Pharma Observatory
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.